Properties

Label 2-5e2-5.4-c7-0-8
Degree $2$
Conductor $25$
Sign $-0.447 + 0.894i$
Analytic cond. $7.80962$
Root an. cond. $2.79457$
Motivic weight $7$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 1.28i·2-s − 79.7i·3-s + 126.·4-s + 102.·6-s − 538. i·7-s + 326. i·8-s − 4.17e3·9-s − 1.21e3·11-s − 1.00e4i·12-s − 7.07e3i·13-s + 690.·14-s + 1.57e4·16-s − 3.34e3i·17-s − 5.34e3i·18-s − 2.21e4·19-s + ⋯
L(s)  = 1  + 0.113i·2-s − 1.70i·3-s + 0.987·4-s + 0.193·6-s − 0.593i·7-s + 0.225i·8-s − 1.90·9-s − 0.275·11-s − 1.68i·12-s − 0.892i·13-s + 0.0672·14-s + 0.961·16-s − 0.165i·17-s − 0.216i·18-s − 0.741·19-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 25 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.447 + 0.894i)\, \overline{\Lambda}(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 25 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & (-0.447 + 0.894i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(25\)    =    \(5^{2}\)
Sign: $-0.447 + 0.894i$
Analytic conductor: \(7.80962\)
Root analytic conductor: \(2.79457\)
Motivic weight: \(7\)
Rational: no
Arithmetic: yes
Character: $\chi_{25} (24, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 25,\ (\ :7/2),\ -0.447 + 0.894i)\)

Particular Values

\(L(4)\) \(\approx\) \(0.976275 - 1.57964i\)
\(L(\frac12)\) \(\approx\) \(0.976275 - 1.57964i\)
\(L(\frac{9}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad5 \( 1 \)
good2 \( 1 - 1.28iT - 128T^{2} \)
3 \( 1 + 79.7iT - 2.18e3T^{2} \)
7 \( 1 + 538. iT - 8.23e5T^{2} \)
11 \( 1 + 1.21e3T + 1.94e7T^{2} \)
13 \( 1 + 7.07e3iT - 6.27e7T^{2} \)
17 \( 1 + 3.34e3iT - 4.10e8T^{2} \)
19 \( 1 + 2.21e4T + 8.93e8T^{2} \)
23 \( 1 - 5.85e4iT - 3.40e9T^{2} \)
29 \( 1 - 2.06e5T + 1.72e10T^{2} \)
31 \( 1 - 1.77e5T + 2.75e10T^{2} \)
37 \( 1 + 2.84e5iT - 9.49e10T^{2} \)
41 \( 1 - 6.27e5T + 1.94e11T^{2} \)
43 \( 1 - 1.64e5iT - 2.71e11T^{2} \)
47 \( 1 + 4.49e5iT - 5.06e11T^{2} \)
53 \( 1 - 7.30e5iT - 1.17e12T^{2} \)
59 \( 1 + 1.42e6T + 2.48e12T^{2} \)
61 \( 1 + 2.66e5T + 3.14e12T^{2} \)
67 \( 1 - 2.95e6iT - 6.06e12T^{2} \)
71 \( 1 - 9.21e5T + 9.09e12T^{2} \)
73 \( 1 + 4.25e6iT - 1.10e13T^{2} \)
79 \( 1 + 6.28e6T + 1.92e13T^{2} \)
83 \( 1 - 9.17e6iT - 2.71e13T^{2} \)
89 \( 1 + 2.42e5T + 4.42e13T^{2} \)
97 \( 1 + 2.59e6iT - 8.07e13T^{2} \)
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   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−15.60796488555370860054400663286, −14.10307226955372543024812885412, −12.94524770710582769492648774755, −11.93796822209457932641513948213, −10.62865125585346043551188752088, −8.082633958834805946813752869178, −7.18267693896448018691455166348, −6.00164948788106819785934418750, −2.61790461626448249160965604897, −0.997140075851543786042063485262, 2.71455852186026632147761716915, 4.50645350270869313840225724863, 6.24537318745991977135195371977, 8.573498343664183540434053416736, 10.00704344742970645793361027052, 10.96981394272647211630745315801, 12.14527952483116073483707141739, 14.40567765052595161883882340086, 15.43588668335975055411006839319, 16.11384204146282113152817966207

Graph of the $Z$-function along the critical line